Home / 264,071,312.40-396,105,000.30-79,838,432.40

Finding the Fourth Proportional to 264,071,312.40, 396,105,000.30 and 79,838,432.40

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Solution

The fourth proportional to 264,071,312.40, 396,105,000.30 and 79,838,432.40 is: 119,757,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,071,312.40 : 396,105,000.30 = 79,838,432.40 : x
  2. Step 2: Convert to fraction form
    264,071,312.40/396,105,000.30 = 79,838,432.40/x
  3. Step 3: Cross multiply
    264,071,312.40x = 396,105,000.30 × 79,838,432.40
  4. Step 4: Simplify right side
    264,071,312.40x = 31,624,402,289,753,532
  5. Step 5: Solve for x
    x = 31,624,402,289,753,532/264,071,312.40
  6. Step 6: Final answer
    x = 119,757,053.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.